Evaluation of Weather-Based Spray Advisories for Improved Control of Peanut Stem Rot
Stem rot of peanut, caused by the soilborne fungus Sclerotium rolfsii, is greatly influenced by environmental conditions. Disease management programs rely heavily on fungicides, which are applied on a calendar-based program. To determine whether improved control of stem rot could result from weather...
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| Veröffentlicht in: | Plant disease 2008-03, Vol.92 (3), p.392-400 |
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| creator | Rideout, S.L Brennenman, T.B Culbreath, A.K Langston, D.B. Jr |
| description | Stem rot of peanut, caused by the soilborne fungus Sclerotium rolfsii, is greatly influenced by environmental conditions. Disease management programs rely heavily on fungicides, which are applied on a calendar-based program. To determine whether improved control of stem rot could result from weather-based spray advisories, models were constructed using what is currently known about the biology of S. rolfsii and etiology of stem rot epidemics in peanut. Spray advisories based on soil temperature, precipitation, and host parameters were tested, along with advisories focusing on soil temperature and precipitation or precipitation alone. The advisories were evaluated and compared with the currently used calendar-based program over four locations annually for 3 years. Fungicide application timing had a significant effect on both stem rot control and resulting pod yields. In general, stem rot control following the advisories considering soil temperature, precipitation, and canopy growth was similar or better than that offered by the calendar-based program, but yields generally were comparable. The AU-Pnut advisory for foliar diseases also was effective for scheduling azoxystrobin applications for stem rot. |
| doi_str_mv | 10.1094/PDIS-92-3-0392 |
| format | Article |
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Fungicide application timing had a significant effect on both stem rot control and resulting pod yields. In general, stem rot control following the advisories considering soil temperature, precipitation, and canopy growth was similar or better than that offered by the calendar-based program, but yields generally were comparable. The AU-Pnut advisory for foliar diseases also was effective for scheduling azoxystrobin applications for stem rot.</description><identifier>ISSN: 0191-2917</identifier><identifier>EISSN: 1943-7692</identifier><identifier>DOI: 10.1094/PDIS-92-3-0392</identifier><identifier>PMID: 30769679</identifier><identifier>CODEN: PLDIDE</identifier><language>eng</language><publisher>St. Paul, MN: American Phytopathological Society</publisher><subject>accuracy ; application rate ; application timing ; Arachis hypogaea ; azoxystrobin ; Biological and medical sciences ; Corticium rolfsii ; crop yield ; disease control ; epidemiology ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; fungicides ; meteorological data ; meteorological parameters ; peanuts ; Phytopathology. Animal pests. Plant and forest protection ; precipitation ; Sclerotium rolfsii ; soil temperature ; soil-borne diseases ; stem rot</subject><ispartof>Plant disease, 2008-03, Vol.92 (3), p.392-400</ispartof><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-a219284819736412c5fc3885a7069bca674ddc61be2e894250af4445d36e2a473</citedby><cites>FETCH-LOGICAL-c380t-a219284819736412c5fc3885a7069bca674ddc61be2e894250af4445d36e2a473</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3711,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20119559$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30769679$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rideout, S.L</creatorcontrib><creatorcontrib>Brennenman, T.B</creatorcontrib><creatorcontrib>Culbreath, A.K</creatorcontrib><creatorcontrib>Langston, D.B. Jr</creatorcontrib><title>Evaluation of Weather-Based Spray Advisories for Improved Control of Peanut Stem Rot</title><title>Plant disease</title><addtitle>Plant Dis</addtitle><description>Stem rot of peanut, caused by the soilborne fungus Sclerotium rolfsii, is greatly influenced by environmental conditions. Disease management programs rely heavily on fungicides, which are applied on a calendar-based program. To determine whether improved control of stem rot could result from weather-based spray advisories, models were constructed using what is currently known about the biology of S. rolfsii and etiology of stem rot epidemics in peanut. Spray advisories based on soil temperature, precipitation, and host parameters were tested, along with advisories focusing on soil temperature and precipitation or precipitation alone. The advisories were evaluated and compared with the currently used calendar-based program over four locations annually for 3 years. Fungicide application timing had a significant effect on both stem rot control and resulting pod yields. In general, stem rot control following the advisories considering soil temperature, precipitation, and canopy growth was similar or better than that offered by the calendar-based program, but yields generally were comparable. The AU-Pnut advisory for foliar diseases also was effective for scheduling azoxystrobin applications for stem rot.</description><subject>accuracy</subject><subject>application rate</subject><subject>application timing</subject><subject>Arachis hypogaea</subject><subject>azoxystrobin</subject><subject>Biological and medical sciences</subject><subject>Corticium rolfsii</subject><subject>crop yield</subject><subject>disease control</subject><subject>epidemiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>fungicides</subject><subject>meteorological data</subject><subject>meteorological parameters</subject><subject>peanuts</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>precipitation</subject><subject>Sclerotium rolfsii</subject><subject>soil temperature</subject><subject>soil-borne diseases</subject><subject>stem rot</subject><issn>0191-2917</issn><issn>1943-7692</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp90M9P2zAUB3ALMUHHuHKEXDbt4vL8I3Z8ZB1jlSqBVhBH6zVxtkxJXOykEv_9HLXjyMmH93lfPX8JuWAwZ2Dk9cP35ZoaTgUFYfgRmTEjBdXK8GMyA2YY5YbpU_Ixxr8AIKUqTsipgCSUNjPyeLvDdsSh8X3m6-zZ4fDHBfoNo6uy9Tbga3ZT7ZroQ-NiVvuQLbtt8Ls0Xfh-CL6d1h4c9uOQrQfXZb_88Il8qLGN7vzwnpGnH7ePi590dX-3XNysaCkKGChyZnghC2a0UJLxMq_ToMhRgzKbEpWWVVUqtnHcFUbyHLCWUuaVUI6j1OKMfN3npoteRhcH2zWxdG2LvfNjtJynz3MFukj0y_sUihSop8z5HpbBxxhcbbeh6TC8WgZ2qtxOlVvDrbBT5Wnh8pA8bjpXvfH_HSfw-QAwltjWAfuyiW-OA2Mmzyd3tXc1eou_QzJP6zQVAKkUaYz4B-8nkIk</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Rideout, S.L</creator><creator>Brennenman, T.B</creator><creator>Culbreath, A.K</creator><creator>Langston, D.B. 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Plant and forest protection</topic><topic>precipitation</topic><topic>Sclerotium rolfsii</topic><topic>soil temperature</topic><topic>soil-borne diseases</topic><topic>stem rot</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rideout, S.L</creatorcontrib><creatorcontrib>Brennenman, T.B</creatorcontrib><creatorcontrib>Culbreath, A.K</creatorcontrib><creatorcontrib>Langston, D.B. 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Spray advisories based on soil temperature, precipitation, and host parameters were tested, along with advisories focusing on soil temperature and precipitation or precipitation alone. The advisories were evaluated and compared with the currently used calendar-based program over four locations annually for 3 years. Fungicide application timing had a significant effect on both stem rot control and resulting pod yields. In general, stem rot control following the advisories considering soil temperature, precipitation, and canopy growth was similar or better than that offered by the calendar-based program, but yields generally were comparable. The AU-Pnut advisory for foliar diseases also was effective for scheduling azoxystrobin applications for stem rot.</abstract><cop>St. Paul, MN</cop><pub>American Phytopathological Society</pub><pmid>30769679</pmid><doi>10.1094/PDIS-92-3-0392</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; American Phytopathological Society Journal Back Issues |
| subjects | accuracy application rate application timing Arachis hypogaea azoxystrobin Biological and medical sciences Corticium rolfsii crop yield disease control epidemiology Fundamental and applied biological sciences. Psychology Fungal plant pathogens fungicides meteorological data meteorological parameters peanuts Phytopathology. Animal pests. Plant and forest protection precipitation Sclerotium rolfsii soil temperature soil-borne diseases stem rot |
| title | Evaluation of Weather-Based Spray Advisories for Improved Control of Peanut Stem Rot |
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